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WO2018196624A1 - Procédé et appareil de configuration de paramètres - Google Patents

Procédé et appareil de configuration de paramètres Download PDF

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Publication number
WO2018196624A1
WO2018196624A1 PCT/CN2018/082856 CN2018082856W WO2018196624A1 WO 2018196624 A1 WO2018196624 A1 WO 2018196624A1 CN 2018082856 W CN2018082856 W CN 2018082856W WO 2018196624 A1 WO2018196624 A1 WO 2018196624A1
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WO
WIPO (PCT)
Prior art keywords
resource
resource unit
configuration signaling
time
parameter configuration
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2018/082856
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English (en)
Chinese (zh)
Inventor
刘永
毕晓艳
张雷鸣
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Publication date
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Priority to EP18790475.0A priority Critical patent/EP3609258B1/fr
Publication of WO2018196624A1 publication Critical patent/WO2018196624A1/fr
Priority to US16/665,875 priority patent/US11190312B2/en
Anticipated expiration legal-status Critical
Priority to US17/535,285 priority patent/US11824801B2/en
Ceased legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signalling, i.e. of overhead other than pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0044—Allocation of payload; Allocation of data channels, e.g. PDSCH or PUSCH
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0204—Channel estimation of multiple channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0037—Inter-user or inter-terminal allocation
    • H04L5/0041—Frequency-non-contiguous
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/535—Allocation or scheduling criteria for wireless resources based on resource usage policies
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/20—Manipulation of established connections
    • H04W76/27—Transitions between radio resource control [RRC] states
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A) or DMT

Definitions

  • the embodiments of the present invention relate to the field of communications technologies, and in particular, to a parameter configuration method and apparatus.
  • the physical resource block (RB) bundling size changes with the system bandwidth, and there is a pre-requisite between the PRB binding size and the system bandwidth. Set the correspondence.
  • Configuring the PRB binding size in the above manner cannot meet the requirements of the 5G communication system. For example, if the time-frequency resources used by the base station scheduling terminal are discontinuous in the frequency domain or discontinuous in the time domain, configuring the PRB binding size in the above manner may result in inaccurate channel estimation results.
  • the present application provides a parameter configuration method and apparatus, and specifically provides a method and apparatus for configuring a resource unit binding size.
  • the technical solution can be applied to a base station using a time-frequency resource scheduling terminal that is discontinuous in frequency domain or discontinuous in time domain. In this scenario, it helps to improve the accuracy of channel estimation results in this scenario.
  • the present application provides a parameter configuration method and apparatus.
  • the method can include generating parameter configuration signaling and then transmitting the parameter configuration signaling.
  • the subject of the method may be a base station.
  • the parameter configuration signaling is used to indicate the resource unit binding size.
  • the resource unit bundling size may be applied to at least two time-frequency resources that are discontinuous in the frequency domain, each time-frequency resource includes at least one resource unit that is consecutive in the frequency domain; or may be applied to discontinuity in the time domain At least two time-frequency resources, each time-frequency resource includes at least one resource unit that is consecutive in the time domain.
  • the possible design provides a scheme for flexibly configuring the resource unit binding size, which can be applied to a scenario in which the base station uses a time-frequency resource scheduling terminal in a frequency domain that is discontinuous or discontinuous in the time domain, thereby improving the scenario. , the accuracy of the channel estimation results. It can be understood that the resource unit binding size can also be applied to data demodulation, interference measurement, etc., and in these processes, the accuracy of the calculation result can also be improved.
  • the parameter configuration signaling is DCI or MAC signaling
  • the parameter configuration signaling is used to indicate an index of the resource unit binding size.
  • the method may further include: Generate system configuration signaling and then send system configuration signaling.
  • the system configuration signaling includes multiple information items, and each information item records an resource unit binding size and an index of the resource unit binding size.
  • the system configuration signaling may be RRC signaling or the like. In this way, the accuracy of the calculation results in different operations can be improved while the dynamic signaling overhead is increased.
  • the present application further provides a parameter configuration apparatus, which can implement the parameter configuration method provided by the first aspect.
  • the device can be a base station.
  • the parameter configuration method provided by the above first aspect may be implemented by software, hardware, or by executing corresponding software through hardware.
  • the apparatus can include a processor, a memory, and a communication interface.
  • the processor is configured to support the apparatus to perform the corresponding functions of the parameter configuration methods provided by the first aspect above.
  • a memory is coupled to the processor that holds the program instructions and data necessary for the device.
  • the communication interface is used to support communication between the device and other network elements.
  • the communication interface can be a transceiver.
  • the apparatus can include: a generating unit and a transmitting unit.
  • the generating unit is configured to generate parameter configuration signaling.
  • the sending unit is configured to send the parameter configuration signaling.
  • the generating unit is further configured to generate system configuration signaling.
  • the sending unit is further configured to send system configuration signaling.
  • the present application provides a parameter configuration method and apparatus.
  • the method may include receiving parameter configuration signaling, and then determining signaling element binding size according to the parameter configuration signaling.
  • the execution body of the method may be a terminal.
  • the parameter configuration signaling is used to indicate the resource unit binding size.
  • the resource unit bundling size may be applied to at least two time-frequency resources that are discontinuous in the frequency domain, each time-frequency resource includes at least one resource unit that is consecutive in the frequency domain; or may be applied to discontinuity in the time domain At least two time-frequency resources, each time-frequency resource includes at least one resource unit that is consecutive in the time domain.
  • the parameter configuration signaling is DCI or MAC signaling
  • the parameter configuration signaling is used to indicate an index of the resource unit binding size.
  • the method may further include: Receive system configuration signaling.
  • the system configuration signaling includes multiple information items, and each information item records an resource unit binding size and an index of the resource unit binding size.
  • the system configuration signaling may be RRC signaling or the like.
  • the present application further provides a parameter configuration apparatus, which can implement the parameter configuration method provided by the second aspect.
  • the device can be a terminal.
  • the parameter configuration method provided by the second aspect above may be implemented by software, hardware, or by executing corresponding software through hardware.
  • the apparatus can include a processor, a memory, and a communication interface.
  • the processor is configured to support the apparatus to perform the corresponding functions of the parameter configuration methods provided by the second aspect above.
  • a memory is coupled to the processor that holds the program instructions and data necessary for the device.
  • the communication interface is used to support communication between the device and other network elements.
  • the communication interface can be a transceiver.
  • the apparatus can include: a receiving unit and a determining unit.
  • the receiving unit is configured to receive parameter configuration signaling.
  • the determining unit is configured to configure signaling according to the parameter to determine a resource unit binding size.
  • the receiving unit can also be used to receive system configuration signaling.
  • the parameter configuration signaling is one of the following: RRC signaling, MAC signaling, DCI.
  • RRC signaling RRC signaling
  • MAC signaling MAC signaling
  • DCI DCI
  • the present application provides a parameter configuration method and apparatus.
  • the method can include generating system configuration signaling and then transmitting the system configuration signaling.
  • the subject of the method may be a base station.
  • the system configuration signaling includes multiple information items, and each information item records an resource unit binding size and an index of the resource unit binding size.
  • the resource unit binding size is applied to at least two time-frequency resources that are discontinuous in the frequency domain, each time-frequency resource includes at least one resource unit that is consecutive in the frequency domain; or, may be applied to discontinuous in the time domain. At least two time-frequency resources, each time-frequency resource including at least one resource unit that is consecutive in the time domain.
  • the possible design provides a scheme for flexibly configuring the resource unit binding size, which can be applied to a scenario in which the base station uses a time-frequency resource scheduling terminal in a frequency domain that is discontinuous or discontinuous in the time domain, thereby improving the scenario. , the accuracy of the channel estimation results. It can be understood that the resource unit binding size can also be applied to data demodulation, interference measurement, etc., and in these processes, the accuracy of the calculation result can also be improved.
  • the method may further include: generating parameter configuration signaling, where the parameter configuration signaling is used to indicate an index of a target resource unit binding size; wherein the target resource unit binding size is included in multiple information items. in. Then, parameter configuration signaling is sent. In this way, the accuracy of the calculation results in different operations can be improved while the dynamic signaling overhead is increased.
  • the present application further provides a parameter configuration apparatus, which can implement the parameter configuration method provided by the third aspect.
  • the device can be a base station.
  • the parameter configuration method provided by the third aspect can be implemented by software, hardware, or by executing corresponding software through hardware.
  • the apparatus can include a processor, a memory, and a communication interface.
  • the processor is configured to support the apparatus to perform the corresponding functions of the parameter configuration methods provided by the third aspect above.
  • a memory is coupled to the processor that holds the program instructions and data necessary for the device.
  • the communication interface is used to support communication between the device and other network elements.
  • the communication interface can be a transceiver.
  • the apparatus can include: a generating unit and a transmitting unit.
  • the generating unit is configured to generate system configuration signaling.
  • a sending unit configured to send the system configuration signaling.
  • the generating unit is further configured to generate parameter configuration signaling.
  • the sending unit is further configured to send parameter configuration signaling.
  • the parameter configuration information may be DCI or the like.
  • the specific implementation is not limited to this.
  • the system configuration signaling may be RRC signaling or MAC signaling, or the like.
  • the specific implementation is not limited to this.
  • the present application provides a parameter configuration method and apparatus.
  • the method may include: receiving system configuration signaling, where the system configuration signaling includes multiple information items, each of which records a resource unit binding size and the resource unit binding The index of the size, the resource unit binding size is applied to at least two time-frequency resources that are discontinuous in the frequency domain, each time-frequency resource includes at least one resource unit that is consecutive in the frequency domain; or, applied to the time domain At least two time-frequency resources that are discontinuous, each time-frequency resource includes at least one resource unit that is consecutive in the time domain. Then, according to the plurality of information items, the target resource unit binding size is determined; wherein the target resource unit binding size is included in one information item of the plurality of information items.
  • the execution body of the method may be a terminal.
  • the method may further include: receiving parameter configuration signaling, wherein the parameter configuration signaling is used to indicate an index of a target resource unit binding size.
  • determining the target resource unit binding size according to the multiple information items may include: determining, according to the parameter configuration signaling and the multiple information items, the target resource unit binding size.
  • the present application further provides a parameter configuration apparatus, which can implement the parameter configuration method provided by the fourth aspect.
  • the device can be a terminal.
  • the parameter configuration method provided by the fourth aspect can be implemented by software, hardware, or by executing corresponding software through hardware.
  • the apparatus can include a processor, a memory, and a communication interface.
  • the processor is configured to support the apparatus to perform the corresponding functions of the parameter configuration methods provided by the fourth aspect above.
  • a memory is coupled to the processor that holds the program instructions and data necessary for the device.
  • the communication interface is used to support communication between the device and other network elements.
  • the communication interface can be a transceiver.
  • the apparatus can include: a receiving unit and a determining unit. a receiving unit, configured to receive parameter configuration signaling. a determining unit, configured to determine a target resource unit binding size according to the parameter configuration signaling and the plurality of information items.
  • the receiving unit can also be configured to receive parameter configuration signaling.
  • the determining unit may be specifically configured to determine a target resource unit binding size according to the parameter configuration signaling and the plurality of information items.
  • the parameter configuration information may be DCI or the like.
  • the specific implementation is not limited to this.
  • the system configuration signaling may be RRC signaling or the like.
  • the specific implementation is not limited to this.
  • the resource unit binding size is one of the following:
  • N is a common divisor of the total number of resource units included in each of the at least two time-frequency resources, or a total number of resource units included in the pre-coded granularity, or a pre-coded granularity a divisor of the resource units included in the resource, or a minimum common divisor of the total number of resource units included in each of the at least two time-frequency resources and a total number of resource units included in the precoding granularity;
  • the resource unit is an RBG
  • the application also provides a computer storage medium having stored thereon computer program instructions that, when executed on a computer, cause the computer to perform the method of any of the above aspects.
  • the application also provides a computer program product, when run on a computer, causing the computer to perform the method of any of the above aspects.
  • FIG. 1 is a schematic diagram of distribution of resource units provided by the present application.
  • FIG. 2 is a schematic diagram of distribution of another resource unit provided by the present application.
  • FIG. 3 is a schematic diagram of a resource unit provided by the present application.
  • FIG. 5 is a schematic diagram of a system architecture applicable to the technical solution provided by the present application.
  • FIG. 6 is a schematic structural diagram of a base station provided by the present application.
  • FIG. 7 is a schematic structural diagram of a terminal provided by the present application.
  • FIG. 8a is a schematic diagram of another scheduling resource provided by the present application.
  • FIG. 8b is a schematic diagram of another scheduling resource provided by the present application.
  • FIG. 9 is a schematic diagram of interaction of a parameter configuration method provided by the present application.
  • FIG. 10 is a schematic diagram of interaction of another parameter configuration method provided by the present application.
  • FIG. 11 is a schematic structural diagram of a parameter configuration apparatus provided by the present application.
  • FIG. 13 is a schematic structural diagram of another parameter configuration apparatus provided by the present application.
  • PRB bundling is a technique for improving channel estimation performance.
  • the technical solution is to stipulate the size of consecutive PRBs using the same preprocessing method (including beamforming and precoding, etc.), and the size is usually greater than 1.
  • the terminal performs joint channel estimation based on multiple PRBs, the extrapolation calculation of the channel estimation can be reduced.
  • the channel estimation value obtained by the extrapolation calculation has a large deviation. Therefore, reducing the extrapolation calculation (converting the extrapolation calculation into the interpolation calculation) can improve the accuracy of the channel estimation.
  • the PRB binding size defines a limited number of values, and does not need to be infinitely increased.
  • the channel estimation accuracy gain due to the increased PRB binding size is also related to the channel environment. For example, the flatter the frequency domain channel, the smaller the channel estimation extrapolation loss. In such a scenario, the channel estimation accuracy gain due to the increased PRB binding size is limited.
  • the PRB binding size the higher the complexity of channel estimation. Therefore, from the point of view of the complexity of the terminal, the PRB binding size defines a limited number of values.
  • the supplementary scene can be distinguished by the channel environment, the channel estimation gain is comprehensively considered, the terminal implementation complexity and the scheduling situation, and the like, and the optimal PRB binding size is different. Therefore, the PRB binding size needs to be configurable.
  • the present application provides a parameter configuration method and apparatus, and the basic principle is as follows: the configuration of the resource unit binding size is performed by using the signaling indication manner, which can be applied to the following scenarios: scenario 1, not in the frequency domain. At least two consecutive time-frequency resources, each of the time-frequency resources including at least one resource unit consecutive in the frequency domain.
  • Scene 2 At least two time-frequency resources that are discontinuous in the time domain, each time-frequency resource includes at least one resource unit that is consecutive in the time domain.
  • the at least two time-frequency resources may be time-frequency resources used by the base station to schedule the terminal. It can be understood that the foregoing is a description of the usage scenario of the present application, whether the resource units in the frequency domain or the time domain are continuous.
  • resource unit (resource unit)
  • a resource unit is involved in some embodiments of the present application.
  • the resource unit can be used as a basic unit for resource allocation by the scheduling terminal, and can also be used to describe the arrangement manner of multiple reference signals.
  • An RB pair refers to two RBs adjacent in the time domain.
  • the RBG is a time-frequency resource composed of one TI or multiple RBs in the frequency domain in the time domain.
  • the TIG is a time-frequency resource composed of one RB in the frequency domain and one or more consecutive TIs in the time domain. It can be understood that in this paper, the concept of PRB and RB is the same.
  • the resource unit may be composed of a plurality of consecutive subcarriers in the frequency domain and a fixed number (for example, 1) of time intervals (TI) in the time domain, as shown in FIG. 1. Alternatively, it may be composed of one or more consecutive TIs in the time domain and a plurality of consecutive subcarriers in the frequency domain, as shown in FIG. 2 . In Figures 1 and 2, each small square represents a resource unit. In different scheduling processes, the size of resource units may be the same or different.
  • the TI here may be a transmission time interval (TTI) in the LTE system, or may be a short TTI at the symbol level, or a short TTI at a large subcarrier interval in the high frequency system, or may be in a 5G system. Slots or mini-slots, etc. This application does not limit this.
  • TTI transmission time interval
  • one resource unit may include but is not limited to any one of the following: one or more RBs, one or more RB pairs, one or more RBGs, and the like, and may also be half RBs and the like.
  • other time-frequency resources may also be used, which is not limited in this application.
  • the following is an example in which one resource unit is an RB.
  • one RB may be composed of 12 consecutive subcarriers (numbered 0-11) in the frequency domain and 7 symbols (numbered 0-6) in the time domain.
  • a time-frequency resource composed of one subcarrier in the frequency domain and one symbol in the time domain is a resource element (RE).
  • RE resource element
  • symbol in the present application may include, but is not limited to, any of the following: orthogonal frequency division multiplexing (OFDM) symbols, universal filtered multi-carrier (UFMC) Signal, filter-band multi-carrier (FBMC) symbols, generalized frequency-division multiplexing (GFDM) symbols, and the like.
  • OFDM orthogonal frequency division multiplexing
  • UMC universal filtered multi-carrier
  • FBMC filter-band multi-carrier
  • GFDM generalized frequency-division multiplexing
  • Resource unit binding can be understood as taking one or more resource units as a whole and performing some operations based on the whole. Wherein, the whole is marked as a resource unit set hereinafter.
  • the terminal performs channel estimation based on a demodulation reference signal (DMRS) carried on the resource unit set.
  • DMRS demodulation reference signal
  • the terminal determines the equalization coefficient based on the set of resource elements.
  • the terminal performs interference measurement based on the DMRS carried on the resource unit set.
  • the resource unit binding is applied to the channel estimation process as an example.
  • the resource unit binding size can be understood as the size of the resource unit set, which can be specifically marked using the total number of resource units included in the resource unit set.
  • the resource unit binding size may also be marked with other information, which is not limited in this application. It should be noted that the number of resource units included in the resource unit set may be the same or different in different usage processes (eg, channel estimation, data demodulation, or interference measurement, etc.). That is, the resource unit binding size may be the same or different in different usage processes.
  • the total bandwidth of the system is 10 RBs (labeled as RB1-RB10, respectively), and the base station is in RB5-RB6 (as shown in FIG. 4, the shadow of the RB is small).
  • the cell is bound to a scheduling terminal, and the resource unit binding size may be 2 RBs, and the terminal may jointly perform channel estimation using the DMRSs carried on the two RBs.
  • the DMRSs carried on RB5 and RB6 are as shown in FIG. 4, specifically, the second and third symbols in the time domain of each RB, and six on the 0th, 4th, and 8th subcarriers in the frequency domain.
  • the RE carries the DMRS.
  • the terminal can perform channel estimation by using the DMRS jointly on the 12 REs of the 5th RB and the 6th RB (the shaded small square representing the RE in FIG. 4). For example, if the channel estimation is implemented by interpolation, the interpolation may span the RB.
  • the terminal may use the DMRS on the 8th subcarrier of the 2nd symbol of the 5th RB and the 0th sub of the 2nd symbol of the 6th RB.
  • the DMRS on the carrier is interpolated.
  • the terminal when the terminal performs channel estimation based on the time-frequency resources after the resource unit is bound, the accuracy of the calculation result can be improved because more known reference signals are used.
  • a terminal may have a resource unit binding size, and resource element binding sizes of different terminals may be the same or different.
  • the resource unit binding size of one terminal can be different at different times.
  • the scheduling resource refers to a time-frequency resource used by the base station to schedule a terminal.
  • the technical solutions provided by the present application can be applied to various communication systems, such as current 2G, 3G, 4G communication systems, and future evolution networks, such as 5G communication systems.
  • the LTE system the 3rd generation partnership project (3GPP) related cellular system, etc., and other such communication systems.
  • 3GPP 3rd generation partnership project
  • it can be applied to a 5G NR system.
  • the 5G standard may include machine to machine (M2M), D2M, macro communication, enhanced mobile broadband (eMBB), ultra high reliability and ultra low latency communication ( Ultra reliable & low latency communication (uRLLC) and massive machine type communication (mMTC) scenarios, which may include, but are not limited to, a communication scenario between a terminal and a terminal, a communication scenario between a base station and a base station, and a base station Communication scenarios with the terminal, etc.
  • M2M machine to machine
  • eMBB enhanced mobile broadband
  • uRLLC ultra high reliability and ultra low latency communication
  • mMTC massive machine type communication
  • the technical solution provided by the present application can also be applied to a scenario between a terminal and a terminal in a 5G communication system, or a communication between a base station and a base station.
  • the technical solution provided by the present application can be applied to a system architecture as shown in FIG. 5, which may include a base station 100 and one or more terminals 200 connected to the base station 100.
  • the base station 100 may be a device that can communicate with the terminal 200.
  • the base station 100 can be a relay station or an access point or the like.
  • the base station 100 may be a base transceiver station (BTS) in a global system for mobile communication (GSM) or a code division multiple access (CDMA) network, or may be a wideband code.
  • the NB (NodeB) in the wideband code division multiple access (WCDMA) may also be an eNB or an eNodeB (evolutional NodeB) in LTE.
  • the base station 100 may also be a wireless controller in a cloud radio access network (CRAN) scenario.
  • the base station 100 may also be a network device in a future 5G network or a network device in a future evolved PLMN network; it may also be a wearable device or an in-vehicle device.
  • the terminal 200 may be a user equipment (UE), an access terminal, a UE unit, a UE station, a mobile station, a mobile station, a remote station, a remote terminal, a mobile device, a UE terminal, a terminal, a wireless communication device, a UE proxy, or UE device, etc.
  • the access terminal may be a cellular phone, a cordless phone, a session initiation protocol (SIP) phone, a wireless local loop (WLL) station, a personal digital assistant (PDA), with wireless communication.
  • base station 100 can be implemented by a structure as shown in FIG. Figure 6 shows a general hardware architecture of a base station.
  • the base station shown in FIG. 6 may include an indoor baseband processing unit (BBU) and a remote radio unit (RRU), and the RRU and the antenna feeder system (ie, an antenna) are connected, and the BBU and the RRU may be removed as needed. Open for use.
  • BBU indoor baseband processing unit
  • RRU remote radio unit
  • the base station 100 may also adopt other general hardware architectures, and is not limited to the general hardware architecture shown in FIG. 6.
  • the terminal 200 can be implemented by the structure as shown in FIG. Taking the terminal 200 as a mobile phone as an example, FIG. 7 shows a general hardware architecture of the mobile phone.
  • the mobile phone shown in FIG. 7 may include: a radio frequency (RF) circuit 110, a memory 120, other input devices 130, a display screen 140, a sensor 150, an audio circuit 160, an I/O subsystem 170, a processor 180, and Power supply 190 and other components.
  • RF radio frequency
  • FIG. 7 does not constitute a limitation on the mobile phone, and may include more or less components than those illustrated, or combine some components, or split some components, or Different parts are arranged.
  • the display screen 140 belongs to a user interface (UI), and the display screen 140 can include a display panel 141 and a touch panel 142.
  • the handset can include more or fewer components than shown.
  • the mobile phone may also include functional modules or devices such as a camera and a Bluetooth module, and details are not described herein.
  • the processor 180 is connected to the RF circuit 110, the memory 120, the audio circuit 160, the I/O subsystem 170, and the power supply 190, respectively.
  • the I/O subsystem 170 is connected to other input devices 130, display 140, and sensor 150, respectively.
  • the RF circuit 110 can be used for receiving and transmitting signals during and after receiving or transmitting information, and in particular, receiving downlink information of the base station and processing it to the processor 180.
  • the memory 120 can be used to store software programs as well as modules.
  • the processor 180 executes various functional applications and data processing of the mobile phone by running software programs and modules stored in the memory 120.
  • Other input devices 130 can be used to receive input numeric or character information, as well as to generate key signal inputs related to user settings and function controls of the handset.
  • the display screen 140 can be used to display information input by the user or information provided to the user as well as various menus of the mobile phone, and can also accept user input.
  • Sensor 150 can be a light sensor, a motion sensor, or other sensor.
  • the audio circuit 160 can provide an audio interface between the user and the handset.
  • the I/O subsystem 170 is used to control external devices for input and output, and the external devices may include other device input controllers, sensor controllers, and display controllers.
  • the processor 180 is the control center of the handset 200, which connects various portions of the entire handset using various interfaces and lines, by running or executing software programs and/or modules stored in the memory 120, and recalling data stored in the memory 120, The various functions and processing data of the mobile phone 200 are executed to perform overall monitoring of the mobile phone.
  • a power source 190 (such as a battery) is used to power the various components described above.
  • the power source can be logically coupled to the processor 180 through a power management system to manage functions such as charging, discharging, and power consumption through the power management system.
  • the resource binding size provided in this application may be applied to at least two time-frequency resources that are discontinuous in the frequency domain, and each time-frequency resource includes at least one resource unit that is consecutive in the frequency domain, as shown in FIG. Shown in 8a. It can also be applied to at least two time-frequency resources that are discontinuous in the time domain, and each time-frequency resource includes at least one resource unit that is consecutive in the time domain, as shown in FIG. 8b.
  • the resource binding size provided in the present application may also be applied to the combination of the foregoing two scenarios, and the specific implementation manner in the combined scenario is not limited herein.
  • each shaded small square represents a resource unit used when the base station invokes the terminal, and each blank small square represents a resource unit other than the resource unit used when the base station calls the terminal.
  • RB1-2 can be used as a time-frequency resource, and the time-frequency resource includes two resource units; RB6-10 can be used as another time-frequency resource, and the time-frequency resource includes five resource units.
  • FIG. 9 is a schematic diagram of interaction of a parameter configuration method provided by the present application.
  • the method may include the following steps S101-S103:
  • the base station generates parameter configuration signaling, where the parameter configuration signaling is used to indicate a resource unit binding size.
  • S102 The base station sends the parameter configuration signaling.
  • S103 The terminal receives the parameter configuration signaling, and determines a resource unit binding size according to the parameter configuration signaling.
  • the parameter configuration signaling may be radio resource control (RRC).
  • RRC radio resource control
  • the parameter configuration signaling may be media access control (MAC) signaling.
  • MAC media access control
  • the parameter configuration signaling may be downlink control information (DCI).
  • DCI downlink control information
  • the DCI is used to configure the resource unit bundling size, so that the channel change can be tracked in real time, so that the accuracy of the channel estimation result can be improved.
  • the present application does not limit the boundary of whether the resource unit binding size changes frequently.
  • the parameter configuration signaling in any of the foregoing embodiments may reuse one signaling in the prior art to save signaling overhead; or may be a new signaling provided by the present application. Any of the above embodiments may be considered as a technical solution for directly configuring a resource unit binding size.
  • the parameter configuration signaling may include a resource unit binding size, or an index of a resource unit binding size, or other information that may be used to indicate a resource unit binding size. limited.
  • the resource unit binding size may be included in the parameter configuration signaling. It can be understood that, if the base station and the terminal agree on the correspondence between the resource unit binding size and the index of the resource unit binding size by using a protocol, the parameter configuration signaling may include an index of the resource unit binding size, thereby The terminal may determine the resource unit binding size according to the index of the resource unit binding size.
  • the specific implementation manner of the index of the resource unit binding size is not limited in this application. For example, assuming that the resource unit binding size is 1 resource unit, 2 resource units, 4 resource units, and 5 resource units, a 2-bit binary number ("00", "01", "10” can be used. And "11") as an index of the binding size of these 4 resource units. Of course, the specific implementation is not limited to this.
  • the base station can indicate the resource unit binding size to the terminal by using signaling, so that the resource unit binding size can be flexibly configured, so that the base station is discontinuous in the frequency domain or the time domain.
  • the scenario of scheduling the terminal on the time-frequency resource helps to improve the accuracy of the channel estimation result.
  • FIG. 10 is a schematic diagram of interaction of a parameter configuration method provided by the present application.
  • the method can include the following steps S201-S206:
  • the base station generates system configuration signaling, where the system configuration signaling includes multiple information items, and each information item records an resource unit binding size and an index of the resource unit binding size.
  • the system configuration signaling may include RRC signaling and the like.
  • the system configuration signaling may reuse one signaling in the prior art to save signaling overhead; or may be a new signaling provided by the present application.
  • the number of RRC signaling is not limited in this application.
  • the multiple information items may be included in one RRC signaling, or may be included in multiple RRC signaling.
  • the resource unit binding size included in the system configuration signaling may be part or all resource unit binding sizes supported by the system.
  • the resource unit binding size that the system configuration signaling can support is four, which are: 1 resource unit, 2 resource units, 4 resource units, and 5 resource units.
  • a threshold for example, 20 megabytes
  • a 1-bit binary number (0", "1") can be used.
  • an index of the two resource unit binding sizes for example, "0" is used as the resource unit binding size is an index of one resource unit, and "1" is used as the resource unit binding size is an index of two resource units.
  • the base station may select one or more resource unit bundling sizes from the resource unit bundling sizes that the system can support based on a certain standard, such as but not limited to, through system bandwidth, and then pass RRC signaling. And indicating, to the terminal, a correspondence between each resource unit binding size of the one or more resource unit binding sizes and an index of the resource unit binding size. In this category, signaling overhead can be saved.
  • S202 The base station sends the system configuration signaling.
  • S203 The terminal receives the system configuration signaling, and stores the multiple information items included in the system configuration signaling.
  • S201-S203 is a process in which the base station indicates a correspondence between each resource unit binding size and an index of the resource unit binding size to the terminal.
  • the base station generates parameter configuration signaling, where the parameter configuration signaling is used to indicate an index of a resource unit binding size.
  • the parameter configuration signaling may be DCI or MAC signaling or the like.
  • the index for indicating the resource unit binding size may be an index of the resource unit binding size included in one of the plurality of information items in S101.
  • S205 The base station sends the parameter configuration signaling.
  • the base station may generate and send the parameter configuration signaling to the terminal when the resource unit binding size of the terminal changes.
  • the base station may generate and send the parameter configuration signaling to the terminal when the scheduling resource of the terminal changes.
  • the terminal receives the parameter configuration signaling, and configures, according to the parameter, an index of a resource unit binding size indicated by the signaling, and the stored multiple information items, and determines a resource unit binding indicated by the parameter configuration signaling.
  • the resource unit binding size corresponding to the index of the size.
  • the terminal may query, in the stored plurality of information items, an index that includes a resource unit binding size indicated by the parameter configuration signaling, and then, the resource unit binding index included in the information item that includes the index of the resource unit binding size. And determining a resource unit binding size corresponding to an index of a resource unit binding size indicated by the parameter configuration signaling. Based on the example in the above S101, if the index of the resource unit binding size included in the parameter configuration signaling is "0", the resource unit binding size determined by the terminal is 1 resource unit.
  • the base station may indicate, by using RRC signaling, a correspondence between the resource unit binding size and the resource unit binding size, and then indicate the index of the target resource unit binding size by using a DCI or MAC instruction, thereby The terminal determines the target resource unit binding size. In this way, the accuracy of the calculation result in different operations can be improved while reducing the dynamic signaling overhead.
  • the parameter configuration method provided by any of the foregoing embodiments performs the configuration of the resource unit binding size by means of signaling, so that flexible configuration of resource binding sizes in different scenarios can be implemented. In particular, it can be applied to scenarios in which scheduling resources are discontinuous.
  • the technical solution provided by the present application can be understood as follows:
  • the resource unit binding size may be set by using the technical solution provided by the prior art.
  • the backing of the resource binding size is set by means of signaling indication. a value; wherein the fallback value can be any of the resource unit bundling sizes provided below.
  • the method may be implemented as follows: the resource unit binding size provided in the application is set to a default value, and the terminal determines that the resource is discontinuous according to the resource allocation situation (including discontinuity in the frequency domain and This default value is determined to be valid in the case of discontinuity in the time domain; and this default value is ignored if the resource is determined to be contiguous according to the resource allocation.
  • the resource unit binding size may include at least one of the following:
  • N resource units where N can be determined according to any of the following methods:
  • N may be a common divisor of the total number of resource units included in each of the at least two time-frequency resources.
  • N may be the greatest common divisor of the total number of resource units included in each of the at least two time-frequency resources. The larger the resource unit binding size, the better the accuracy of the channel estimation result.
  • the terminal can independently perform channel estimation by using the DMRS carried on each RB.
  • the terminal independently performs channel estimation using the DMRS carried on the same block of time-frequency resources.
  • the terminal can independently perform channel estimation by using the DMRS carried on each RB.
  • the terminal independently performs channel estimation using the DMRS carried on the same block of time-frequency resources.
  • N may be the total number of resource units included in the precoding granularity (PRG).
  • N may be 4, that is, the resource unit binding size (ie, the RB binding size). It can be 4 resource units (ie 4 RBs).
  • N may be a divisor of resource elements included in the precoded granularity.
  • N may be 1, 2, or 4, that is, the resource unit binding size (ie, the RB binding size) may be 1 resource unit, 2 Resource unit or 4 resource units.
  • N may be a minimum common divisor of the total number of resource units included in each block time-frequency resource of at least two time-frequency resources and a minimum value of the total number of resource units included in the pre-coding granularity.
  • the maximum common divisor of the total number of resource units included in each time-frequency resource is 1, and if the total number of resource units included in the pre-coded granularity is 4, N may be 1.
  • N may be 1, 2, or 4. It can be understood that if the resource unit is a TIG, N can be a divisor of the total number of TIs included in the TIG.
  • the base station can also set the precoding granularity size as follows: 1) One resource unit. 2) N resource units, where N may be a common divisor of the total number of resource units included in each of the at least two time-frequency resources. Optionally, N may be the greatest common divisor of the total number of resource units included in each of the at least two time-frequency resources. 3) A divisor of the total number of RBs included in the RBG, wherein the resource unit is an RBG. Specific examples of these methods can be referred to above, and are not described herein again.
  • each network element such as a base station or a terminal.
  • each network element such as a base station or a terminal.
  • it includes hardware structures and/or software modules corresponding to the execution of the respective functions.
  • the present application can be implemented in a combination of hardware or hardware and computer software in combination with the elements and algorithm steps of the various examples described in the embodiments disclosed herein. Whether a function is implemented in hardware or computer software to drive hardware depends on the specific application and design constraints of the solution. A person skilled in the art can use different methods to implement the described functions for each particular application, but such implementation should not be considered to be beyond the scope of the present application.
  • the embodiment of the present application may divide a function module into a base station or a terminal according to the foregoing method example.
  • each function module may be divided according to each function, or two or more functions may be integrated into one processing module.
  • the above integrated modules can be implemented in the form of hardware or in the form of software functional modules. It should be noted that the division of the module in the embodiment of the present application is schematic, and is only a logical function division, and the actual implementation may have another division manner. The following is an example of dividing each functional module by using corresponding functions:
  • FIG. 11 shows a schematic structural view of a parameter configuration device 9.
  • the device 9 can be the base station 100 referred to above.
  • the device 9 may include a generating unit 901 and a transmitting unit 902. among them:
  • the generating unit 901 can be used to perform S101 in FIG. 9, and/or other processes for supporting the techniques described herein.
  • Transmitting unit 902 can be used to perform the actions performed by the base station in S102 of FIG. 9, and/or other processes for supporting the techniques described herein. All the related content of the steps involved in the foregoing method embodiments may be referred to the functional description of the corresponding functional modules, and details are not described herein again.
  • the generating unit 901 can be used to perform the actions performed by the base station in S201, S204 in FIG. 10, and/or other processes for supporting the techniques described herein.
  • Transmitting unit 902 can be used to perform S202, S205 in FIG. 10, and/or other processes for supporting the techniques described herein. All the related content of the steps involved in the foregoing method embodiments may be referred to the functional description of the corresponding functional modules, and details are not described herein again.
  • FIG. 12 shows a schematic structural view of a parameter configuration device 10.
  • the device 10 can be the terminal 200 referred to above.
  • the apparatus 10 can include a receiving unit 1001 and a determining unit 1002. among them:
  • receiving unit 1001 may be operable to perform the actions performed by the terminal in S102 of FIG. 9, and/or other processes for supporting the techniques described herein.
  • the determining unit 1002 can be used to perform S103 in FIG. 9, and/or other processes for supporting the techniques described herein. All the related content of the steps involved in the foregoing method embodiments may be referred to the functional description of the corresponding functional modules, and details are not described herein again.
  • receiving unit 1001 may be operable to perform the actions performed by the terminal in S202 of FIG. 10, and/or other processes for supporting the techniques described herein.
  • the determining unit 1002 can be used to perform S206 in FIG. 10, and/or other processes for supporting the techniques described herein.
  • the apparatus can also include a storage unit 1003 for performing S203, and/or other processes for supporting the techniques described herein. All the related content of the steps involved in the foregoing method embodiments may be referred to the functional description of the corresponding functional modules, and details are not described herein again.
  • the parameter configuration device 9 and the parameter configuration device 10 are presented in a form in which each function is divided into individual functional modules, or the form is divided into individual functional modules (or units) in an integrated manner.
  • a “module” herein may refer to an application-specific integrated circuit (ASIC), a processor and memory that executes one or more software or firmware programs, integrated logic circuits, and/or other devices that provide the above functionality.
  • the processor and the memory may be integrated or may be relatively independent.
  • any of the parameter configuration device 9 and the parameter configuration device 10 can be implemented by the structure shown in FIG.
  • the parameter configuration device 11 may include a memory 1101, a processor 1102, and a communication interface 1103.
  • the memory 1101 is configured to store computer execution instructions.
  • the processor 1102 executes the computer execution instructions stored in the memory 1101, so that the parameter configuration apparatus 11 executes the parameter configuration method provided by the embodiment of the present application.
  • the communication interface 1103 can be a transceiver.
  • the transmitting unit 902 can correspond to the communication interface 1103.
  • the generating unit 901 can be embedded in hardware or in a memory 1101 independent of the parameter configuration device 11.
  • the receiving unit 1001 can correspond to the communication interface 1103.
  • the determining unit 1002 may be embedded in hardware or in a memory 1101 independent of the parameter configuration device 11.
  • the parameter configuration device 11 may be a field-programmable gate array (FPGA), an application specific integrated circuit (ASIC), a system on chip (SoC), a central processing unit. (central processor unit, CPU), network processor (NP), digital signal processor (DSP), microcontroller (micro controller unit (MCU), can also use programmable controller (programmable Logic device, PLD) or other integrated chip.
  • FPGA field-programmable gate array
  • ASIC application specific integrated circuit
  • SoC system on chip
  • CPU central processor unit
  • NP network processor
  • DSP digital signal processor
  • MCU microcontroller
  • PLD programmable Logic device
  • the embodiment of the present application further provides a storage medium, which may include a memory 1101.
  • the parameter configuration device provided by the embodiment of the present application can be used to perform the foregoing parameter configuration method. Therefore, the technical effects of the present invention can be referred to the foregoing method embodiments.
  • the above embodiments it may be implemented in whole or in part by software, hardware, firmware, or any combination thereof.
  • a software program it may be implemented in whole or in part in the form of a computer program product.
  • the computer program product includes one or more computer instructions.
  • the computer program instructions When the computer program instructions are loaded and executed on a computer, the processes or functions described in accordance with embodiments of the present application are generated in whole or in part.
  • the computer can be a general purpose computer, a special purpose computer, a computer network, or other programmable device.
  • the computer instructions can be stored in a computer readable storage medium or transferred from one computer readable storage medium to another computer readable storage medium, for example, the computer instructions can be from a website site, computer, server or data center Transmission to another website site, computer, server or data center via wired (eg coaxial cable, fiber optic, digital subscriber line (DSL)) or wireless (eg infrared, wireless, microwave, etc.).
  • the computer readable storage medium can be any available media that can be accessed by a computer or a data storage device that includes one or more servers, data centers, etc. that can be integrated with the media.
  • the usable medium may be a magnetic medium (eg, a floppy disk, a hard disk, a magnetic tape), an optical medium (eg, a DVD), or a semiconductor medium (such as a solid state disk (SSD)) or the like.
  • a magnetic medium eg, a floppy disk, a hard disk, a magnetic tape
  • an optical medium eg, a DVD
  • a semiconductor medium such as a solid state disk (SSD)

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  • Computer Networks & Wireless Communication (AREA)
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  • Mobile Radio Communication Systems (AREA)

Abstract

L'invention concerne un procédé et un appareil de configuration de paramètres, se rapportant au domaine technique des communications. L'invention concerne spécifiquement un procédé et un appareil destinés à configurer une taille de rattachement d'unité de ressource, qui sont utiles pour améliorer la précision d'un résultat d'estimation de canal. Le procédé peut comporter les étapes consistant à: générer une signalisation de configuration de paramètres, et émettre la signalisation de configuration de paramètres, la signalisation de configuration de paramètre étant utilisée pour indiquer une taille de rattachement d'unité de ressource. La taille de rattachement d'unité de ressource peut être appliquée à au moins deux ressources temps-fréquence qui sont discontinues sur un domaine fréquentiel, et chaque ressource temps-fréquence contient au moins une unité de ressource continue sur le domaine fréquentiel; en variante, la taille de rattachement d'unité de ressource peut être appliquée à au moins deux ressources temps-fréquence qui sont discontinues sur un domaine temporel, et chaque ressource temps-fréquence contient au moins une unité de ressource continue sur le domaine temporel.
PCT/CN2018/082856 2017-04-28 2018-04-12 Procédé et appareil de configuration de paramètres Ceased WO2018196624A1 (fr)

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US16/665,875 US11190312B2 (en) 2017-04-28 2019-10-28 Parameter configuration method and apparatus
US17/535,285 US11824801B2 (en) 2017-04-28 2021-11-24 Parameter configuration method and apparatus

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CN110113143A (zh) 2019-08-09
CN110113143B (zh) 2020-12-25
CN108811095B (zh) 2024-04-12
US20200059334A1 (en) 2020-02-20
CN110149191A (zh) 2019-08-20
CN108811095A (zh) 2018-11-13
US11190312B2 (en) 2021-11-30
EP3609258B1 (fr) 2022-05-11
EP3609258A4 (fr) 2020-05-13
US20220094493A1 (en) 2022-03-24
EP3609258A1 (fr) 2020-02-12
CN110149191B (zh) 2020-12-25

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